Order		Cross- jurisdiction significant difference	Number of Jurisdictions Significantly			Not eligible average scale score	Eligible average scale score	Not eligible - Eligible Gap average scale score
			higher	not different	lower	2011
			higher	not different	lower
1 Atlanta	Atlanta	>	0	2	17	260	218	42
2 District of Columbia (DCPS)	District of Columbia (DCPS)	>	0	2	17	250	211	40
3 Fresno	Fresno	>	0	2	17	252	215	37
4 Austin	Austin	>	3	6	10	264	235	29
5 San Diego	San Diego	>	3	6	10	258	229	29
6 Albuquerque	Albuquerque	x	3	11	5	253	227	26
7 Chicago	Chicago	x	3	13	3	246	221	26
8 Charlotte	Charlotte	x	3	12	4	260	235	25
9 Los Angeles	Los Angeles	x	3	13	3	245	219	25
10 Jefferson County (KY)	Jefferson County (KY)	x	4	12	3	250	226	24
National public	National public	x	5	13	3	252	229	23
11 Milwaukee	Milwaukee	x	5	13	1	238	216	23
Large city	Large city		5	14	2	250	227	23
12 Hillsborough County (FL)	Hillsborough County (FL)	x	5	13	1	256	234	22
13 Miami-Dade	Miami-Dade	x	6	12	1	251	230	21
14 New York City	New York City	x	4	14	1	253	233	21
15 Philadelphia	Philadelphia	x	5	13	1	243	223	20
16 Houston	Houston	x	7	11	1	253	233	20
17 Dallas	Dallas	x	5	13	1	250	231	19
18 Boston	Boston	<	10	8	1	251	234	17
19 Baltimore City	Baltimore City	x	10	8	1	240	224	17
20 Detroit	Detroit	<	19	0	0	208	203	6
N/A Cleveland	Cleveland	‡	‡	‡	‡	‡	216	‡
‡ Reporting standards not met.
NOTE: DCPS = District of Columbia Public Schools. National public and Large city are not included in sorting the jurisdictions. Score differences are calculated based on differences between unrounded scores.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2011 Mathematics Assessment.